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/*
    This file is part of solidity.

    solidity is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    solidity is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with solidity.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * @author Alex Beregszaszi
 * @date 2016
 * End to end tests for LLL.
 */

#include <string>
#include <memory>
#include <boost/test/unit_test.hpp>
#include <test/liblll/ExecutionFramework.h>

using namespace std;

namespace dev
{
namespace lll
{
namespace test
{

BOOST_FIXTURE_TEST_SUITE(LLLEndToEndTest, LLLExecutionFramework)

BOOST_AUTO_TEST_CASE(smoke_test)
{
        char const* sourceCode = "(returnlll { (return \"test\") })";
        compileAndRun(sourceCode);
        BOOST_CHECK(callFallback() == encodeArgs(string("test", 4)));
}

BOOST_AUTO_TEST_CASE(bare_panic)
{
    char const* sourceCode = "(panic)";
    compileAndRunWithoutCheck(sourceCode);
    BOOST_REQUIRE(m_output.empty());
}

BOOST_AUTO_TEST_CASE(exp_operator_const)
{
    char const* sourceCode = R"(
        (returnlll
            (return (exp 2 3)))
    )";
    compileAndRun(sourceCode);
    BOOST_CHECK(callFallback() == toBigEndian(u256(8)));
}

BOOST_AUTO_TEST_CASE(exp_operator_const_signed)
{
    char const* sourceCode = R"(
        (returnlll
            (return (exp (- 0 2) 3)))
    )";
    compileAndRun(sourceCode);
    BOOST_CHECK(callFallback() == toBigEndian(u256(-8)));
}

BOOST_AUTO_TEST_CASE(exp_operator_on_range)
{
    char const* sourceCode = R"(
        (returnlll
            (seq
                (when (= (div (calldataload 0x00) (exp 2 224)) 0xb3de648b)
                    (return (exp 2 (calldataload 0x04))))
                (jump 0x02)))
    )";
    compileAndRun(sourceCode);
    testContractAgainstCppOnRange("f(uint256)", [](u256 const& a) -> u256 { return u256(1 << a.convert_to<int>()); }, 0, 16);
}

BOOST_AUTO_TEST_SUITE_END()

}
}
} // end namespaces